Biology Middle School

A(n)__________ is a long chain of amino acids.

Answers

Answer 1
A polypeptide is a long chain of amino acids.

Related Questions

____________ have helped us learn about animals that are now extinct.

Observations
Written records
Fossils
Rocks

Answers

It would be C. Fossils
Fossils, in order to understand animals that are now extinct we rely on fossils to give us information such as how they were built and what they ate.

in some places, granite rock extends as deep as:

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50 kilomiters

hope this helps;)

I think is 50 kilometers

Tiny structures in the cell that carry out the cell's activities are

mitochondria
nucleus
organelles
cyotplasm

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Organelles :) The mitochondria and nucleus are examples of organelles, and the cytoplasm is the medium in which the cell's activities takes place :) 
Hope this helps

how do scientist develop scientific explanations about subjects that are impossible to study through controlled experiments?

Answers

A scientist could use a model to represent what you are trying to experiment, thus making it possible to come up with an explanation for an answer.

Select all that apply. The Chordata phylum consists of _____.
tunicates
lampreys
stingrays
lancelets
trout

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The answer is tunicates. Tunicates are commonly known as sea squirts and are in the Chordata phylum, even though they don't have a back bone. Which is really weird. But they just got put into the same category as humans. This is because they have a notocord and a back bone when they are larvae. But they lose all these when they become adults.
Tunicates is your answer!

How does a radio wave differ from a gamma ray? Frequency only Wavelength only Both the wavelength and the frequency Their speeds


Ik its not biology its just the only thing i saw

Answers

wavelength, the longest being radio waves and the shortest being gamma rays
It will be there speed

In grafting, the plant with the root system is called the , and the portion of the plant with the buds is called the .

Answers

The plant with the root system is called the rootstock


the portion of the plant with the buds is called the scion

Answer:

In grafting, the plant with the root system is called the root stock , and the portion of the plant with the buds is called the scion

Explanation:

Grafting is a process of “vegetative mode of propagation “ in which  two parts of same or two different species of plants are joined together to make them grow as a single plant. The part of the plant which is kept over and above the other plant is called the “scion” while the part of the other plant kept at the bottom is called a rootstock.  

Thus, in grafting, the plant with the root system is kept at the bottom and hence it is called as root stock , and the portion of the plant with the buds is kept over and above the root stock and hence it is called as scion.

Which of the following is true of all minerals?

Made of many different elements

Come from the ground as crystals

Can be liquids, solids, and gases

Made of one or more elements from the periodic table

Answers

Answer:

Made of one or more elements from the periodic table

Explanation:

Minerals are natural occurring inorganic solid substance that have a definite crystal structure and definite chemical formula. The crystal structure in minerals are usually well organised. Mineral are made of one or more elements from the periodic table. Example of minerals formed from a single elements are carbon(graphite), gold and silver. Like for the gold which are called native elements rarely combines with other elements.  The atoms, molecules and ions that formed the minerals are well structured in a geometric way.They are arranged in particular pattern. Minerals can also be formed from more than one elements example are the silicates minerals.

From the option A not all minerals are made from different elements but most metals are made from combination of different elements.

Not all minerals come from the ground as crystal some crystallize at the surface of the earth.

Minerals are not gaseous and liquid in nature. All minerals are solid in nature.

Minerals are made of one elements or more than one elements from the periodic table.

The picture above illustrate how mineral looks like.

Answer: Made of one or more elements from the periodic table

Explanation:

How do you get a scar from a pimple?

Answers

From scratching it and not cleaning it

Why is a squid considered a cephalopod

Answers

It has feet attached to its head. Cephalopod is a Greek word, where cephalo means head, and pod means foot. So a possible translation would be head-foot, which means that the feet are attached to the head. An octopus, or an octopod, means that it has 8 legs, because octo means 8, and pod means foot. 
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